Position of n-th 1 in A030324.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =6a(5) =8a(6) =9a(7) =13a(8) =14a(9) =16a(10) =17a(11) =19a(12) =21a(13) =22a(14) =26a(15) =28a(16) =29a(17) =31a(18) =32a(19) =33a(20) =34a(21) =36a(22) =37a(23) =40a(24) =41a(25) =44a(26) =49a(27) =50a(28) =51a(29) =53